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Priority to JP805272ApriorityCriticalpatent/JPS5146145B2/ja
Priority to DE19732302473prioritypatent/DE2302473C3/de
Priority to CH87773Aprioritypatent/CH579119A5/de
Publication of JPS4878281ApublicationCriticalpatent/JPS4878281A/ja
Publication of JPS5146145B2publicationCriticalpatent/JPS5146145B2/ja